import java.util.Scanner;
public class Demo03 {
  public static void main(String[] args) {
    Scanner scan = new Scanner(System.in);
    System.out.println("请输入姓名:");
    String name = scan.next();
    System.out.println("请输入年龄:");
    int age = scan.nextInt();
    System.out.println("你好 " + name + " 你今年已经 " + age + "岁了");
    // System.out.println(num<<1);
  }
}